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Table 1 Drosophila intronic data that is used to derive a GTR model of DNA evolution.

From: MCALIGN2: Faster, accurate global pairwise alignment of non-coding DNA sequences based on explicit models of indel evolution

  

Sequence 2

 
  

A

G

C

T

total

Sequence 1

A

1363

45

18

54

1480

 

G

37

823

9

17

886

 

C

21

11

898

32

962

 

T

17

11

27

1120

1175

 

total

1438

890

952

1223

4503

  1. Pairs of nucleotide for 4503 sites of sequence that has diverged according to a general-time-reversible (GTR) model, from real Drosophila intronic data. The columns are the bases in the first sequence. Here, we chose a long intron from D. simulans and D. melanogaster, aligned them using AVID, then counted the aligned sites regardless of gaps.